<!doctype html> 
<html> 
<head> 
    <meta charset="utf-8"> 
    <title></title> 
</head>
<body>

<script type="text/javascript">


var a = function(){
	//this.a = 10;

	function b(){
		this.c = 10;
		//alert(this.c);
		function f(){
			this.k = 10;
		}
		this.n = new f();
	}
	this.a = new b()
	//return '1';
};
alert(new a().a.n.k);
//alert(c);
//alert(new a());

</script>
</body>
</html>